The thought of alien worlds conjures up images from popular science fiction—the desert world of Tatooine from Star Wars, the surreal forests of Pandora from Avatar—but exoplanets aren’t sci-fi anymore ...

More than 400 worlds have been found beyond the reach of our sun, and the tally is rising rapidly. From super-Earths to giants dwarfing Jupiter, our galaxy is a zoo of different kinds of planets. Hot ...

Since its launch two years ago, NASA's Transiting Exoplanet Survey Satellite (TESS) has scoured the skies to search for strange alien worlds spread out in different parts of the universe. Throughout ...

Do you know what a chthonian planet is? Spoiler alert: it has very little to do with the Cthulhu mythos of author (and notorious racist) H. P. Lovecraft, and it has even less to do with the Marvel ...

Alien planets come in all shapes and sizes. Generally speaking, these planets known to astronomers as exoplanets or extrasolar planets orbit stars outside our solar system, but there are a few ...